From the Louisville Courier-Journal via This is True:
The water in the fountains and pools in Louisville's Waterfront Park tested about 30 times the healthy limit for bacteria, which city officials blame on homeless people using them to bathe and dirty diapers. Frustrated by their inability to keep people out of the water, David Karem, executive director of the Waterfront Development Corp., had signs put up warning people to keep out due to "high levels of hydrogen". The bacteria has plummeted to safe levels so apparently the pools are healthy, but the state of American scientific education is not. A humorless editorial in the Courier-Journal attacked for "treat[ing] Louisvillians as fools" and suggested he should instead be "simply shooting straight about why waders should keep out." But asking nicely hasn't kept homeless people or crap laden diapers out of the pools. The homeless guy needs a bath, dammit, and in the absence of a solution to the crisis of homelessness, not to mention the problem of parents who let their kids use public pools for toilets, scaring the crap out of people appears to the only way to solve the immediate problem. Stupidity is usually something you can rely upon. After all, as H.L. Menken said, "No one ever went broke underestimating the intelligence of the American public."